<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../js/jquery-3.3.1.min.js"></script>
    <script src="../js/login.js"></script>
</head>
<body>


<form>
    username: <br>
    <input id="username" type="text"> <br>
    password: <br>
    <input id="password" type="password">

</form>

<button id="loginButton" onclick="login()">登录</button>

</body>
</html>